Bluetooth 4.0 Headphones ,Amtake In-Ear Wireless Sport Sweatproof Earbuds/Headset/ Earphones for Running Workout Gym Sports, Compatible with Iphone 7 7 plus 6 6s and other Smartphone with Mic (Black) Triangle-like appearance design provides you a fashion and unique look It is equipped with CSR 8635 chipset, this Bluetooth stereo headset delivers crystal clear sound for both music streaming and hands free conversations The headset comes with a pair of sweat proof rubber ring which can protect the headset from being damaged by sweat and therefore increase durability of the item It comes with built in 120mAh rechargeable lithium polymer battery, this headset provides up to 8 hours of talk time and 6 hours of music time and 200 hours of standby time Compatible with Bluetooth enabled music players & A2DP enabled devices such as iPad, iPhone, iPod touch, Android Smart Phones, tablets, etc. Fit for iPhone 6 6Plus 5S 5C 5 4S, Galaxy Note 3 2 S4 S3 and GoogleBlackberryLG other Smartphones